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Finding the Fourth Proportional to 3,141.18, 4,741.29 and 3,141.18

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Solution

The fourth proportional to 3,141.18, 4,741.29 and 3,141.18 is: 4,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.18 : 4,741.29 = 3,141.18 : x
  2. Step 2: Convert to fraction form
    3,141.18/4,741.29 = 3,141.18/x
  3. Step 3: Cross multiply
    3,141.18x = 4,741.29 × 3,141.18
  4. Step 4: Simplify right side
    3,141.18x = 14,893,245.32
  5. Step 5: Solve for x
    x = 14,893,245.32/3,141.18
  6. Step 6: Final answer
    x = 4,741.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.